The larvicidal activity of essential oils of four species of Piper from the Amazon Forest was
tested using third-instar larvae of Aedes aegypti. The oils were extracted by steam distillation …

The chemistry of members of the family Piperaceae is of great interest owing to the variety of
biological properties displayed. A survey of structural diversity and bioactivity reveals that …

Piplartine {5, 6-dihydro-1-[1-oxo-3-(3, 4, 5-trimethoxyphenyl)-2-propenyl]-2 (1H) pyridinone}
is an alkaloid/amide component of Piper species. The purpose of the present study was to …

In the present work, we studied the effects of piplartine (PIP), an amide alkaloid isolated from
the roots of Piper tuberculatum (Piperaceae), in the elevated plus maze, open field, rota rod …

Chromatographic fractionation of a dichloromethane extract from the leaves of Piper
scutifolium yielded two new isobutyl amides, scutifoliamide A (1) and scutifoliamide B (2) …

The isobutyl amides pellitorine (compound 1) and 4, 5-dihydropiperlonguminine (compound
2) were extracted from the seeds of Piper tuberculatum Jacq.(Piperaceae) in yields of 6.10 …

In this study, via a bioactivity-guided fractionation of MeOH extracts of the fruits of Piper
nigrum, alkamide (5) and five previously-identified alkamides were isolated. Their structures …

Full article: 3α,4α-Epoxy-2-piperidone, a new minor derivative from leaves of Piper crassinervium
Kunth (Piperaceae) Skip to Main Content Taylor and Francis Online homepage Taylor and …

Se analizó el aceite esencial de frutos de P. hispidum Kunth obtenido por el método de
hidrodestilación con un rendimiento del 0, 8%. Empleando cromatografía de gases …

RESUMO A esquistossomose mansônica é um doença parasitária que ocorre em 54 países
principalmente na América do Sul, Caribe, África e leste do Mediterrâneo. No Brasil, estima …